Credit: iStock Our understanding of the human brain has come a long way since scientists first started studying this intricate organ. Throughout history, the brain has been thought to have different purposes and varying levels of importance, with some thinking that it was not really important at all. But steadily, researchers grew to understand more … Continue reading Spotlight On: The Brain
Neurons
Spotlight On: Smell
Credit: iStock Each time we stop to smell the roses, we should thank our sense of smell (olfaction) that allows us to detect airborne chemicals (odors) from the environment. Olfaction is one of the ancient senses used by animals to monitor the external environment. Although olfactory systems vary in different animals—insects, for example, use antennae, … Continue reading Spotlight On: Smell